RE: NAT-PT Applicabilty for 3GPP

[Suresh Satapati <satapati@cisco.com>]

Karim,

> above which I could agree with. Also I do not think it is as simple
> as implementing an external SIP Proxy according to SIP specs as you
> say above, since some changes to the binding mechanism is needed in
> the translator and some interactions with other e2e protocols may be
> needed. Given the discussions so far I would replace the statement

Please spell out "some changes to the binding mechanism", and the
"interactions needed with other e2e protocols". Then we can debate.
Until then, my stance doesn't change as far as Applicability is concerned.

> in the applicability with:
>
>    The SIPPING WG will be working on a solution to the 3GPP IMS
>    translation problem which may reuse some functionality from NAT-PT.
>
>  > So NAT-PT
>  > is applicable there and that is what is noted in the applicability
>  > statement. Re-inventing
>  > something that has already been done seems to be a waste of time.
>
> Comments above. The issue is that there are NAT-PT problems that the
> SIP solution should not be inheriting. But as above, let's solve this
> with the SIP folks.

See above.

--
Suresh